Home / 13,658,842.08-20,498,365.24-6,470,391.78

Finding the Fourth Proportional to 13,658,842.08, 20,498,365.24 and 6,470,391.78

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Solution

The fourth proportional to 13,658,842.08, 20,498,365.24 and 6,470,391.78 is: 9,710,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,842.08 : 20,498,365.24 = 6,470,391.78 : x
  2. Step 2: Convert to fraction form
    13,658,842.08/20,498,365.24 = 6,470,391.78/x
  3. Step 3: Cross multiply
    13,658,842.08x = 20,498,365.24 × 6,470,391.78
  4. Step 4: Simplify right side
    13,658,842.08x = 132,632,453,936,157.77
  5. Step 5: Solve for x
    x = 132,632,453,936,157.77/13,658,842.08
  6. Step 6: Final answer
    x = 9,710,373.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.